At times, Sense may have thought it found a unique device, but after further analysis decided it was not a unique device after all. Keeping this device in your Devices list is not helpful for two reasons: (1) You might be wasting your time trying to figure out what it is, and (2) this model could actually prevent updated and more accurate models from running. If you’ve received a removal notification, Sense has removed one such unreliably detected device.